Add the almonds to a Thermomix® mixing bowl or food processor and blend into almond flour.
Add the oats, dates, and coconut oil and blend into a moist dough.
Press the dough into a greased tart pan.
Place the tart pan in the fridge to chill.
Add the milk, egg, sugar, vanilla and flour to a Thermomix® mixing bowl or pot over medium heat and cook at 90 degrees C on speed 4 for 8 minutes (or stir constantly while cooking in the pot until thick).
Spread the creme patissiere over the tart crust and top with the fruit.
Bake at 350 degrees F for 20 minutes.